Epoxy coated PC strand far exceeds other PC strand systems in side by side fatigue tests Due to the exceptional adhesion between the steel wire surfaces and the epoxy individual wire to wire contact and movement are essentially eliminated Epoxy...

The main characteristics of prestressed steel strand and relaxation properties of high strength is good, other than the upright when expanded. Common tensile strength rating of 1860 MPa, as well as 1720,1770,1960,2000,2100 MPa strength grade of the class.(1) Standard: GB/T5223, ASTM A416, BS5896.(2) Raw Material: SWRH 82B high carbon steel wire rod(3) Stress-relieved high-tensile-strength and low-relaxation prestressed concrete strand(4) 1×7 strand left or right hand lay